21376170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:1988

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 37047510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 1931, 2214, 3690, 3862, 5535, 5793, 9655, 11070, 11586, 17379, 19310, 28965, 34758, 52137, 57930, 79171, 86895, 104274, 158342, 173790, 237513, 260685, 395855, 475026, 521370, 712539, 791710, 1187565, 1425078, 2137617, 2375130, 3562695, 4275234, 7125390, 10688085, 21376170]

約数ペア:

[(1, 21376170), (2, 10688085), (3, 7125390), (5, 4275234), (6, 3562695), (9, 2375130), (10, 2137617), (15, 1425078), (18, 1187565), (27, 791710), (30, 712539), (41, 521370), (45, 475026), (54, 395855), (82, 260685), (90, 237513), (123, 173790), (135, 158342), (205, 104274), (246, 86895), (270, 79171), (369, 57930), (410, 52137), (615, 34758), (738, 28965), (1107, 19310), (1230, 17379), (1845, 11586), (1931, 11070), (2214, 9655), (3690, 5793), (3862, 5535)]